package com.banmao.algorithm.No301To400.No404;

public class Answer {

    public static void main(String[] args) {
        Solution1 solution = new Solution1();

        TreeNode root = new TreeNode(3, new TreeNode(9), new TreeNode(20, new TreeNode(15), new TreeNode(7)));

        int sum = solution.sumOfLeftLeaves(root);
        System.out.println(sum);

    }

}
